#ifndef TYPEDEFS_H
#define TYPEDEFS_H

/*
 * Copyright (c) Abraham vd Merwe <abz@blio.net>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Boolean definitions
 */

#ifndef bool
#define bool int
#endif

#if !defined(false) || (false != 0)
#define false	0
#endif

#if !defined(true) || (true != 0)
#define true	1
#endif

#if !defined(FALSE) || (FALSE != false)
#define FALSE	false
#endif

#if !defined(TRUE) || (TRUE != true)
#define TRUE	true
#endif

/*
 * Error flags
 */

#if !defined(ERR) || (ERR != -1)
#define ERR		-1
#endif

#if !defined(OK) || (OK != 0)
#define OK		0
#endif

/*
 * Exit status values
 */

#if !defined(EXIT_SUCCESS)
#define EXIT_SUCCESS	0
#endif

#if !defined(EXIT_FAILURE) || (EXIT_FAILURE == EXIT_SUCCESS)
#define EXIT_FAILURE	1
#endif

/*
 * min(), max()
 */

#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) > (b) ? (a) : (b))

/*
 * toint(), toascii()
 */

#define TOINT(a) ((a) - '0')
#define TOASCII(a) ((a) + '0')

#endif
